http://www.perkinelmer.co.uk/CMSResources/Images/44-4345CAT_SensorsAndEmittersInfraredSensing.pdf Teardown Tuesday What's inside a NESS Quantum Passive Infrared (PIR) pyroelectric motion sensor. How do they work? And what's all this Fresnel lens stuff anyhow?

An open hardware iPad Retina display adapter for Thunderbolt and Display Port https://www.kickstarter.com/projects/1859884318/oscar-the-open-screen-adapter Treadgaming, gaming while running in a treadmill: http://treadgaming.blogspot.com.au/ A documentary video on the origins of Hewlett Packard https://archive.org/details/HPOrigins http://engineersbench.com/ http://masaradio.arkku.net/ Cypress USB 3.0 development kit: http://www.cypress.com/?id=3526&tabID=60939 Visionect - A complete 6" e-ink display waterproof WiFi enabled tablet development kit: http://www.visionect.com/ BareDuino - worlds smallest Arduino compatible board: http://www.seeedstudio.com/depot/BareDuino-Nano-p-1545.html ERIC Low Power Encrypted RF Radio Modules http://www.lprs.co.uk/easy-radio/eric/ Forum: http://www.eevblog.com/forum/blog/eevblog-592-mailbag/ EEVblog Main Web Site: http://www.eevblog.com EEVblog Amazon Store: http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

Dave drags a Tektronix TDS220 oscilloscope through 7km of mud at the 2014 Sydney Mud Run. Raising money for the NSW Cancer Council. Along with Klein Tools MM500 rugged multimeter also: http://www.kleintools.com/catalog/multimeters/auto-ranging-multimeter-0 Does the scope still work? https://www.youtube.com/watch?v=VZCokbsTwmQ I'm putting this on the main channel, because so many viewers generously donated. Shot with an Olympus Tough TG-850 camera. Forum: http://www.eevblog.com/forum/blog/sydney-mud-run-2014/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

Dave tests to see if the Youtube notification system is broken There will be a Youtube poll set up that should pop up as a Card. EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 T-Shirts: http://teespring.com/stores/eevblog